Light guiding in optical fibers with Kerr-like nonlinearity

Guiding properties of optical fiber with Kerr‐like nonlinearity are studied numerically using the finite‐difference beam‐propagation method to solve the scalar‐wave equation. The nonlinear fiber is shown to support fields with longitudinally invariant radial distributions having a mean‐squared beam...

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Bibliographic Details
Published in:Microwave and optical technology letters 2001-08, Vol.30 (3), p.212-216
Main Authors: Romanova, Elena A., Melnikov, Leonid A., Bekker, Ella V.
Format: Article
Language:English
Subjects:
Kerr-like nonlinearity
numerical modeling
optical fibers
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Summary:Guiding properties of optical fiber with Kerr‐like nonlinearity are studied numerically using the finite‐difference beam‐propagation method to solve the scalar‐wave equation. The nonlinear fiber is shown to support fields with longitudinally invariant radial distributions having a mean‐squared beam width less than that of the linear fiber mode. The double‐mode propagation is shown to be unstable, and tends to convert into single‐mode propagation after some distance from the input endface of the fiber. © 2001 John Wiley & Sons, Inc. Microwave Opt Technol Lett 30: 212–216, 2001.
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.1268